Autogenerate IAM resources for IAP Tunnel Instance

[emilymye]

• Fixes support google_iap_tunnel_instance_iam in GA provider hashicorp/terraform-provider-google#5384
• Fixes IAM Conditions support for iap_tunnel_instance_iam hashicorp/terraform-provider-google#5348
• As part of autogeneration, we changed the parent ID for these resources from

projects/{{project_number}}/iap_tunnel/zones/{{zones}}/instances/{{instance}}

to

projects/{{project_id}}/iap_tunnel/zones/{{zones}}/instances/{{instance}}

While IAP in documentation says they only allow for project number, they actually support projectId. This change keeps TunnelInstance in line with both other IAP IAM resources and the rest of Terraform (by using project ID) and avoids two extra calls (and the necessary permissions) to fetch the project from the Cloud Resource Manager API and get the project number for an ID.

Release Note Template for Downstream PRs (will be copied)

iap: Added `google_iap_tunnel_instance_iam_*` IAM resources for IAP Tunnel Instances

iap: Supported IAM conditions in `google_iap_tunnel_instance_iam_*` IAM resources

iap: Changed resource ID for `google_iap_tunnel_instance_iam_*` IAM resources from `projects/{{project_number}}/iap_tunnel/zones/{{zones}}/instances/{{instance}}` to 
`projects/{{project}}/iap_tunnel/zones/{{zones}}/instances/{{instance}}` to maintain similar formats to other resources and avoid making  unnecessary additional requests to GCP to get project number.

[modular-magician]

Hi! I'm the modular magician, I work on Magic Modules.
I see that this PR has already had some downstream PRs generated. Any open downstreams are already updated to your most recent commit, 4670689.

Pull request statuses

No diff detected in terraform-google-conversion.
No diff detected in Ansible.
No diff detected in Inspec.

New Pull Requests

I built this PR into one or more new PRs on other repositories, and when those are closed, this PR will also be merged and closed.
depends: hashicorp/terraform-provider-google-beta#1654
depends: hashicorp/terraform-provider-google#5429

[modular-magician]

Hi! I'm the modular magician, I work on Magic Modules.
I see that this PR has already had some downstream PRs generated. Any open downstreams are already updated to your most recent commit, 82b93f4.

Pull request statuses

terraform-provider-google-beta already has an open PR.
No diff detected in terraform-google-conversion.
terraform-provider-google already has an open PR.
No diff detected in Ansible.
No diff detected in Inspec.

New Pull Requests

I didn't open any new pull requests because of this PR.

[emilymye]

Currently the handwritten has "projects/{{project}}/iap_tunnel/zones/{{zone}}/instances/{{instance}}" for id and "projects/{{project}}/zones/{{zone}}/instances/{{instance}}" for import format, so we're keeping ID format and supporting both import formats

[slevenick]

Looks good to me! There is something strange going on with the downstreams though, they have conflicts

[modular-magician]

Hi! I'm the modular magician, I work on Magic Modules.
I see that this PR has already had some downstream PRs generated. Any open downstreams are already updated to your most recent commit, efe676e.

Pull request statuses

terraform-provider-google-beta already has an open PR.
No diff detected in terraform-google-conversion.
terraform-provider-google already has an open PR.
No diff detected in Ansible.
No diff detected in Inspec.

New Pull Requests

I didn't open any new pull requests because of this PR.

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff
Terraform Beta: Diff

[modular-magician]

Hi! I'm the modular magician, I work on Magic Modules.
I see that this PR has already had some downstream PRs generated. Any open downstreams are already updated to your most recent commit, dda2b60.

Pull request statuses

terraform-provider-google-beta already has an open PR.
No diff detected in terraform-google-conversion.
terraform-provider-google already has an open PR.
No diff detected in Ansible.
No diff detected in Inspec.

New Pull Requests

I didn't open any new pull requests because of this PR.

[modular-magician]

Hi! I'm the modular magician, I work on Magic Modules.
I see that this PR has already had some downstream PRs generated. Any open downstreams are already updated to your most recent commit, 7bab680.

Pull request statuses

terraform-provider-google-beta already has an open PR.
No diff detected in terraform-google-conversion.
terraform-provider-google already has an open PR.
No diff detected in Ansible.
No diff detected in Inspec.

New Pull Requests

I didn't open any new pull requests because of this PR.

[modular-magician]

Hi! I'm the modular magician, I work on Magic Modules.
I see that this PR has already had some downstream PRs generated. Any open downstreams are already updated to your most recent commit, 5aa4845.

Pull request statuses

terraform-provider-google-beta already has an open PR.
No diff detected in terraform-google-conversion.
terraform-provider-google already has an open PR.
No diff detected in Ansible.
No diff detected in Inspec.

New Pull Requests

I didn't open any new pull requests because of this PR.